Mobile Phone What a drastic change has been witnessed by the world in the field of telecommunications. Mobile phones and the networks behind them are proving to be a milestone in the information highway. Gone are the days when the telephone only served the purpose of communication through sound. Now the concept of convergence is rapidly changing the whole scenario. People now want everything in their mobile phones, from moving clips...

Evils of the Internet  Since its advent, Internet has completely changed our lifestyle. It has converted world into a global village. It has substantially helped business, science, art and culture, etc. etc. But, with it has also brought in many evils, just like any other technological advancements. First let us know what exactly is Internet. Internet, open interconnection of computer networks that enables the computers ‘ °I-‘n and the programmes they...

Email change World Communication  In today’s world proper communication has taken a vital role in everybody’s life, whether it is a single entity, or a corporate house or a country. With the advancement of science and technology, modes of communication are always changing and evolving. With the advent of the computers and Internet boom everything seems to a mere click away. Electronic mails have transformed the lives of the people. With...

Dreams  Dreaming is a form of mental activity, different from waking thought that occurs during sleep. The nature of dream activity has been characterized by many clinical and laboratory studies. These studies show that dreams are more perceptual than conceptual: things are seen and heard rather than being subjected to thought. In terms of the senses, visual experience is present in almost all dreams; auditory experience in 40 to 50 per...

The Big Bang Theory  Nobody knows how was the universe formed. Neither one knows that would it continue the same way or when would it end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models: Big Bang and Steady State. However, through many observational evidences, the Big Bang theory can best explain the creation of the universe. In 1948 the Russian-American physicist...

Ozone Depletion  Without our atmosphere, there would be no life on Earth. A relatively thin envelope, the atmosphere consists of layers of gases that support life and provide protection from harmful radiation. Ozone Layer is a layer of the chemical ozone present in the atmosphere protecting the Earth from ultraviolet radiation. But atmospheric ozone layer depletion is a serious problem currently facing the world. The ozone layer protects humans, animals, and...

Compact Disc – CD At the beginning of the last decade of the twentieth century a new media for the storage and playback of music came into the picture. The compact disc was a phenomenon of sorts, causing people to completely rebuild record collections that had taken years to build. It was a situation of, ‘out with the old in with the new.’ There seemed to be no place for the...

India in Space In India, the space program we was formerly launched in 1972 with the setting up of the Space Commission and the Department of Space. Advancement in areas of communication, meteorology, resources survey and management, develop satellites, launch vehicles and associated ground systems were the initial objectives. Since then, India has made impressive progress in this field. Space technology has not only enhanced India’s communication capabilities, but has also...